ports/sysdeps/mips/fpu/fgetexcptflg.c

   1 /* Store current representation for exceptions.
   2    Copyright (C) 1998-2014 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Andreas Jaeger <aj@suse.de>, 1998.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library.  If not, see
  18    <http://www.gnu.org/licenses/>.  */
  19
  20 #include <fenv.h>
  21 #include <fpu_control.h>
  22
  23 int
  24 fegetexceptflag (fexcept_t *flagp, int excepts)
  25 {
  26   fpu_control_t temp;
  27
  28   /* Get the current exceptions.  */
  29   _FPU_GETCW (temp);
  30
  31   /* We only save the relevant bits here. In particular, care has to be
  32      taken with the CAUSE bits, as an inadvertent restore later on could
  33      generate unexpected exceptions.  */
  34
  35   *flagp = temp & excepts & FE_ALL_EXCEPT;
  36
  37   /* Success.  */
  38   return 0;
  39 }